Name: modifier key

Synonyms: modifier key

Type: glossary

Description:
A key that modifies the effect of pressing another key, instead of
typing a <character>.

Modifier keys include Shift, Control, Caps Lock, and the <Command key>
(on <Mac OS> and <OS X|OS X systems>), and the <Option key>, <Meta key>,
or <Alt key>.

References: Meta key (glossary), Option key (glossary), OS X (glossary),
character (glossary), Command key (glossary), Mac OS (glossary),
Alt key (glossary)

Tags: ui

